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Lactobionic Acid Specifications of Commercial Pure & BP Ph Eur USP NF Grade Manufacturers & Exporters

Please check Specifications of Lactobionic Acid USP NF ACS BP Ph Eur EP JP IP Analytical reagent FCC Food grade Manufacturers our associates world class FDA-GMP approved, ISO-9001 Certified facility Anmol Chemicals

Lactobionic Acid Suppliers Manufacturers
Lactobionic Acid CAS Number 96-82-2 or 5965-65-1

Specifications of Lactobionic Acid BP Ph Eur Grade
Ph Eur
C12H22O12 (acid form) -- 358.3 -- CAS 96-82-2
C12H20O11 (d-lactone) -- 340.3 -- CAS 5965-65-1

DEFINITION
Mixture in variable proportions of 4-O-b-D-galactopyranosyl-D-gluconic acid and 4-O-b-Dgalactopyranosyl-D-glucono-1,5-lactone.
Content: 98.0 per cent to 102.0 per cent (anhydrous substance).

CHARACTERS
Appearance: White or almost white powder.
Solubility: Freely soluble in water, slightly soluble in glacial acetic acid, in anhydrous ethanol and in methanol.
mp: About 125C with decomposition.

IDENTIFICATION
A. Infrared absorption spectrophotometry.
Comparison lactobionic acid CRS.
If the spectra obtained show differences, dissolve the substance to be examined and the reference substance separately in water, dry at 105C and record new spectra using the residues.
B. Thin-layer chromatography. To pass the test.

TESTS
Appearance of solution: The solution is clear and not more intensely coloured than reference.
Specific optical rotation: + 23.0 to + 29.0 (anhydrous substance).
Dissolve 1.0 g in 80 ml of water and dilute to 100.0 ml with the same solvent. Allow to stand for 24 h.
Reducing sugars: Maximum 0.2 per cent, calculated as glucose.
Dissolve 5.0 g in 25 ml of water with the aid of gentle heat. Cool and add 20 ml of cupricitric solution and a few glass beads. Heat so that boiling begins after 4 min and maintain boiling for 3 min. Cool rapidly and add 100 ml of a 2.4 per cent V/V solution of glacial acetic acid and 20.0 ml of 0.025 M iodine. With continuous shaking, add 25 ml of a mixture of 6 volumes of hydrochloric acid and 94 volumes of water and, when the precipitate has dissolved, titrate the excess of iodine with 0.05 M sodium thiosulphate using 1 ml of starch solution, added towards the end of the titration, as indicator. Not less than 12.8 ml of 0.05 M sodium thiosulphate is required.
Heavy metals: Maximum 20 ppm.
Water: Maximum 5.0 per cent, determined on 0.50 g.
Total ash: Maximum 0.2 per cent.


Lactobionic Acid USP NF Grade Specifications:
C12H22O12 (acid form) --- 358.30 --- CAS 96-82-2.
C12H20O11 (δ-lactone) 340.28 CAS 5965-65-1.
4-O-β-Galactopyranosyl-d-gluconic acid.

DEFINITION
Lactobionic Acid
is a mixture in variable proportions of 4-O-β-d-galactopyranosyl-d-gluconic acid and 4-O-β-d-galactopyranosyl-d-glucono-1,5-lactone. It contains 98% toT 102%, on the anhydrous basis.

IDENTIFICATION
A.
Infrared Absorption: [Note: If the spectra obtained show differences, dissolve the test substance and USP Lactobionic Acid RS separately in water, dry at 105C, and record new spectra using the residues. ]
B. Thin-Layer Chromatography: Acceptance criteria:The principal spot from the Sample solution is similar in position and color to the principal spot from the Standard solution.

IMPURITIES
Water Determination
Acceptance criteria: 5.0% maximum.
Appearance of Solution
Sample solution: 120 mg/mL of Lactobionic Acid
Standard stock solution: Pipet 24.0 mL of ferric chloride CS and 6.0 mL of cobaltous chloride CS into a 100-mL volumetric flask. Dilute with 1% (w/v) hydrochloric acid to volume.
Reference solution: Pipet 12.5 mL of the Standard stock solution into a 100-mL volumetric flask. Dilute with 1% (w/v) hydrochloric acid to volume.
Acceptance criteria: The Sample solution is clear and not more intensely colored than the Reference solution.
Optical Rotation
Sample solution: 10 mg/mL of Lactobionic Acid. Allow to stand for 24 h.
Acceptance criteria: +23.0° to +29.0° (anhydrous substance).
Reducing Sugars
Sample solution: Dissolve 5.0 g of Lactobionic Acid in 25 mL of water with the aid of gentle heat, and cool.
Analysis: To the Sample solution add 20 mL of cupric citrate TS and a few glass beads. Heat so that boiling begins after 4 min, and maintain boiling for 3 min. Cool rapidly, and add 100 mL of a 2.4% solution of glacial acetic acid and 20.0 mL of 0.025 M iodine VS. With continuous shaking, add 25 mL of a mixture of 6 mL of hydrochloric acid and 94 mL of water. When the precipitate has dissolved, titrate the excess iodine with 0.05 M sodium thiosulfate VS using 1 mL of starch TS, added toward the end of the titration as an indicator.
Acceptance criteria: NLT 12.8 mL of 0.05 M sodium thiosulfate is required, corresponding to NMT 0.2% of reducing sugars, as glucose.
Articles of Botanical Origin: 0.2% maximum.

SDS MSDS of Lactobionic Acid BP Ph Eur EP JP USP NF IP ACS Analytical Reagent FCC Food grade Manufacturers

Crystal Clear Products and the group companies are manufacturing chemicals since several decades. We have automatic vacuum operated titanium evaporators and SS316 equipments to produce top grade of chemical products. We have toll manufacturers and representatives in China, UAE, Europe, Canada & USA and agents & customers in all countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Bangkok Thailand, Kaula Lumpur Malaysia, Dubai UAE etc. & sales representative in Chicago, Houston New York & Los Angeles, USA. Associated units are FDA-GMP certified, Halal and/or Kosher certified, REACH registered, ISO-9001, ISO-22000 HACCP certified, Crisil Rated.

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Crystal Clear Products
Plot No-C1-1031-9, GIDC Estate, Panoli, Ankleshwar, Gujarat - 393002. India
Telephone Mobile: 91-7506449333; e-mail: info@crystalclearproducts.org

e-mail: info@crystalclearproducts.org

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